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Across 5. A chemical that diffuses across a synapse 6. area of the brain responsible for breathing rate and heartbeat control 7. protects the brain 9. a junction with another neuron (a small gap) 10. these detect stimuli

Down 1. a region of the brain involved in controlling homeostatic mechanisms e.g. core body temperature 2. this consists of the brain and spinal cord 3. a region of the brain responsible for maintaining balance and coordinating fine motor control 4. changes energy from one form to another 8. the sheath that insulates a nerve is made of this material 10. a rapid, automatic response to a stimulus